[r-t] Cattermole

The Flavells flavells at f2s.com
Sat Sep 5 18:39:18 UTC 2009

I forwarded the problem to a ringing friend David Robinson who is also a mathematician, his suggested solution is attached

  ----- Original Message ----- 
  From: Alexander Holroyd 
  To: ringing-theory at bellringers.net 
  Sent: Wednesday, September 02, 2009 8:22 PM
  Subject: Re: [r-t] Cattermole

  On Wed, 2 Sep 2009, Fred Bone wrote:

  > The limit as n tends to infinity of (n! / derangements(n)) is e.

  That is true, but in fact so is the much stronger statement:
  derangements(n) = nearest integer to n!/e

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  ringing-theory at bellringers.net

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